:root{--primary:#1e3a8a;--primary-hover:#1e40af;--secondary:#f97316;--secondary-hover:#ea580c;--bg-body:#f8fafc;--bg-section-alt:#ffffff;--bg-card:#ffffff;--text-main:#334155;--text-light:#64748b;--heading-color:#0f172a;--border-color:#e2e8f0;--nav-bg:rgba(255, 255, 255, 0.95);--shadow-color:rgba(0, 0, 0, 0.05)}body.dark-mode{--bg-body:#0f172a;--bg-section-alt:#1e293b;--bg-card:#334155;--text-main:#cbd5e1;--text-light:#94a3b8;--heading-color:#f8fafc;--border-color:#475569;--nav-bg:rgba(15, 23, 42, 0.95);--shadow-color:rgba(0, 0, 0, 0.3)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:"Open Sans",sans-serif;color:var(--text-main);background-color:var(--bg-body);line-height:1.6;overflow-x:hidden;transition:background-color .4s ease,color .4s ease}.nav-logo,h1,h2,h3,h4{font-family:Montserrat,sans-serif;color:var(--heading-color);transition:color .4s ease}nav{position:fixed;top:0;width:100%;background:var(--nav-bg);backdrop-filter:blur(10px);box-shadow:0 2px 10px var(--shadow-color);z-index:1000;padding:15px 5%;display:flex;justify-content:space-between;align-items:center;transition:background-color .4s ease}.nav-logo{font-size:1.5rem;font-weight:800;text-decoration:none}.nav-logo span{color:var(--secondary)}.nav-links{display:flex;gap:25px;list-style:none;align-items:center}.nav-links a{text-decoration:none;color:var(--text-main);font-weight:600;font-size:.9rem;transition:color .3s}.nav-links a:hover{color:var(--secondary)}.theme-toggle-btn{background:0 0;border:none;color:var(--text-main);font-size:1.2rem;cursor:pointer;transition:color .3s ease,transform .3s ease;display:flex;align-items:center;justify-content:center;width:35px;height:35px;border-radius:50%;background-color:var(--bg-card);box-shadow:0 2px 5px var(--shadow-color)}.theme-toggle-btn:hover{color:var(--secondary);transform:rotate(15deg)}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}100%{transform:translateY(0)}}@keyframes float-tag{0%{transform:translateY(0) translateX(0)}50%{transform:translateY(-10px) translateX(5px)}100%{transform:translateY(0) translateX(0)}}@keyframes glow{0%{box-shadow:0 0 15px rgba(249,115,22,.2)}50%{box-shadow:0 0 30px rgba(249,115,22,.6)}100%{box-shadow:0 0 15px rgba(249,115,22,.2)}}@keyframes slideInLeft{from{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}.hero{background-color:#0f172a;color:#fff;min-height:100vh;display:flex;align-items:center;padding:100px 5% 50px;position:relative;overflow:hidden}.hero-bg-ai{position:absolute;top:0;left:0;width:100%;height:100%;background-image:url("https://images.unsplash.com/photo-1635070041078-e363dbe005cb?auto=format&fit=crop&q=80&w=2000");background-size:cover;background-position:center;opacity:.15;mix-blend-mode:screen;z-index:1}.hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(15,23,42,.9) 0,rgba(30,58,138,.7) 100%);z-index:2}.hero-content{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:0 auto;gap:50px;z-index:3}.hero-text{flex:1}.hero-tagline{color:var(--secondary);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.9rem;margin-bottom:15px;display:inline-block;animation:slideInLeft .8s ease-out forwards;opacity:0}.hero-title{font-size:3.8rem;font-weight:800;line-height:1.1;margin-bottom:15px;animation:fadeInUp 1s ease-out .2s forwards;opacity:0;color:#fff}.hero-subtitle{font-size:1.5rem;color:#cbd5e1;font-weight:500;margin-bottom:25px;animation:fadeInUp 1s ease-out .4s forwards;opacity:0;border-left:4px solid var(--secondary);padding-left:15px}.hero-actions{animation:fadeInUp 1s ease-out .6s forwards;opacity:0}.hero-image-container{flex:0 0 400px;display:flex;justify-content:center;align-items:center;position:relative;animation:fadeInUp 1.2s ease-out .4s forwards;opacity:0}.hero-image-wrapper{position:relative;animation:float 6s infinite ease-in-out;z-index:10}.hero-image-wrapper::before{content:"";position:absolute;top:10px;left:10px;right:-10px;bottom:-10px;border:3px solid var(--secondary);border-radius:20px;z-index:-1;animation:glow 3s infinite}.hero-image{width:350px;height:450px;object-fit:cover;object-position:top;border-radius:20px;position:relative;z-index:1;box-shadow:0 20px 25px -5px rgba(0,0,0,.4);border:4px solid #fff}.floating-tag{position:absolute;background:rgba(15,23,42,.7);backdrop-filter:blur(8px);border:1px solid rgba(249,115,22,.5);color:#fff;padding:8px 16px;border-radius:30px;font-size:.85rem;font-weight:700;white-space:nowrap;z-index:5;box-shadow:0 10px 20px rgba(0,0,0,.3);display:flex;align-items:center;gap:8px}.floating-tag i{color:var(--secondary)}.tag-1{top:5%;left:-30px;animation:float-tag 4s infinite ease-in-out}.tag-2{top:35%;right:-50px;animation:float-tag 5s infinite ease-in-out 1s}.tag-3{bottom:15%;left:-40px;animation:float-tag 4.5s infinite ease-in-out .5s}.tag-4{bottom:5%;right:-20px;animation:float-tag 6s infinite ease-in-out 1.5s}.tag-5{top:-20px;right:20px;animation:float-tag 5.5s infinite ease-in-out .8s}.tag-6{top:50%;left:-60px;animation:float-tag 4.8s infinite ease-in-out 2s}.btn{display:inline-block;padding:12px 28px;border-radius:30px;font-weight:600;text-decoration:none;transition:all .3s;position:relative;overflow:hidden;z-index:1}.btn-primary{background-color:var(--secondary);color:#fff;box-shadow:0 4px 15px rgba(249,115,22,.4)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(249,115,22,.6);background-color:var(--secondary-hover)}.btn-outline{border:2px solid #fff;color:#fff;margin-left:15px}.btn-outline:hover{background-color:#fff;color:#0f172a}section{padding:48px 5%;max-width:1200px;margin:0 auto;transition:background-color .4s ease}#projects{padding-bottom:20px}#skills{padding-top:20px}.bg-alt{background-color:var(--bg-section-alt);border-radius:20px;box-shadow:0 10px 30px var(--shadow-color);padding:48px 5%;margin:8px auto}.section-title{text-align:center;font-size:2.2rem;color:var(--heading-color);margin-bottom:40px;position:relative}.section-title::after{content:"";display:block;width:60px;height:4px;background-color:var(--secondary);margin:15px auto 0;border-radius:2px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.project-card{background:var(--bg-card);border-radius:15px;overflow:hidden;box-shadow:0 10px 30px var(--shadow-color);transition:all .3s ease;border:1px solid var(--border-color)}.project-card:hover{box-shadow:0 15px 40px var(--shadow-color);transform:translateY(-10px);border-color:var(--secondary)}.project-image-container{width:100%;height:200px;position:relative;overflow:hidden}.project-img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.project-card:hover .project-img{transform:scale(1.1)}.project-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(15,23,42,.7);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.project-card:hover .project-overlay{opacity:1}.project-link-btn{background:var(--secondary);color:#fff;padding:10px 24px;border-radius:30px;text-decoration:none;font-weight:600;transform:translateY(20px);transition:all .3s ease}.about-text{text-justify:"center"}.project-card:hover .project-link-btn{transform:translateY(0)}.project-link-btn:hover{background:var(--secondary-hover)}.project-content{padding:30px}.project-tech{color:var(--secondary);font-size:.8rem;font-weight:800;text-transform:uppercase;margin-bottom:10px;letter-spacing:1px}.project-title{font-size:1.4rem;color:var(--heading-color);margin-bottom:15px}.project-desc{color:var(--text-light);font-size:.95rem;line-height:1.6}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.highlight{color:var(--secondary);font-weight:700}.lang-card{background:var(--bg-card);padding:15px 20px;border-radius:8px;border-left:4px solid var(--secondary);margin-top:20px;box-shadow:0 2px 10px var(--shadow-color)}.stats-container{display:grid;grid-template-columns:1fr 1fr;gap:20px}.stat-card{background:var(--bg-card);padding:30px 20px;border-radius:12px;text-align:center;box-shadow:0 4px 15px var(--shadow-color);border-bottom:4px solid var(--primary);transition:transform .3s}.stat-card:hover{transform:translateY(-5px)}.stat-card.orange{border-bottom-color:var(--secondary)}.stat-number{font-size:2.5rem;font-weight:800;color:var(--primary);margin-bottom:10px}.stat-card.orange .stat-number{color:var(--secondary)}body.dark-mode .stat-card .stat-number{color:#fff}body.dark-mode .stat-card.orange .stat-number{color:#fff}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.skill-card{background:var(--bg-body);padding:40px 30px;border-radius:12px;transition:all .3s;position:relative;overflow:hidden;border:1px solid var(--border-color)}.skill-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--secondary);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.skill-card:hover::before{transform:scaleX(1)}.skill-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px var(--shadow-color);background:var(--bg-card)}.skill-icon{font-size:2.5rem;color:var(--primary);margin-bottom:20px}.skill-card:nth-child(2n) .skill-icon{color:var(--secondary)}.skill-card h3{color:var(--heading-color);margin-bottom:15px;font-size:1.2rem}.skill-list{list-style:none;color:var(--text-light)}.skill-list li{margin-bottom:10px;display:flex;align-items:center}.skill-list li i{color:var(--secondary);margin-right:10px;font-size:.8rem}.timeline-container{max-width:800px;margin:0 auto}.timeline-item{display:flex;margin-bottom:40px;position:relative}.timeline-marker{flex:0 0 50px;display:flex;flex-direction:column;align-items:center}.marker-dot{width:20px;height:20px;background:var(--secondary);border-radius:50%;border:4px solid var(--bg-body);box-shadow:0 0 0 2px var(--secondary);z-index:2}.marker-line{width:2px;height:100%;background:var(--border-color);position:absolute;top:20px;z-index:1}.timeline-item:last-child .marker-line{display:none}.timeline-content{flex:1;padding-left:30px;padding-bottom:20px;background:var(--bg-card);padding:25px;border-radius:12px;box-shadow:0 4px 15px var(--shadow-color);margin-left:15px}.timeline-date{display:inline-block;padding:5px 15px;background:rgba(249,115,22,.1);color:var(--secondary);border-radius:20px;font-size:.85rem;font-weight:700;margin-bottom:10px;letter-spacing:1px}.edu-cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.edu-box{background:var(--bg-card);padding:25px;border-radius:12px;border-left:4px solid var(--primary);margin-bottom:20px;box-shadow:0 4px 10px var(--shadow-color)}.edu-box .year{color:var(--secondary);font-weight:600;font-size:.9rem}.cert-list{background:var(--bg-card);padding:30px;border-radius:12px;box-shadow:0 4px 10px var(--shadow-color)}.cert-item{display:flex;align-items:center;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.cert-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.cert-icon{font-size:2rem;color:#fbbf24;margin-right:20px}footer{background-color:#0f172a;color:#fff;padding:80px 5% 40px;margin-top:50px}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr;gap:60px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}.contact-info h3{color:#fff;font-size:2.2rem;margin-bottom:20px}.contact-info h3 span{color:var(--secondary)}.contact-desc{color:#94a3b8;font-size:1.1rem;margin-bottom:30px;max-width:500px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-item{display:flex;align-items:center;background:rgba(255,255,255,.05);padding:15px 20px;border-radius:8px;transition:background .3s}.contact-item:hover{background:rgba(255,255,255,.1)}.contact-item i{color:var(--secondary);font-size:1.5rem;margin-right:15px}.contact-item a,.contact-item span{color:#fff;text-decoration:none;font-weight:500}.qr-section{background:#fff;padding:30px;border-radius:15px;text-align:center;color:#0f172a}.footer-bottom{text-align:center;padding-top:30px;color:#64748b;font-size:.9rem}.reveal{opacity:0;transform:translateY(40px);transition:all .8s ease-out}.reveal.active{opacity:1;transform:translateY(0)}@media screen and (max-width:992px){.hero-content{flex-direction:column-reverse;text-align:center;padding-top:50px}.hero-title{font-size:3rem}.floating-tag{font-size:.75rem;padding:6px 12px}.tag-1{left:-10px}.tag-2{right:-10px}.about-grid,.edu-cert-grid,.footer-content,.projects-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}}@media screen and (max-width:768px){.nav-links{display:none}.hero-image{width:280px;height:360px}.floating-tag{display:none}}